The U.S. government’s top safety investigator said on Wednesday irregularities were found in the ventilation system of Washington’s subway after smoke filled a tunnel and two rail cars last week, killing one passenger and injuring scores.
The U.S. government’s top safety investigator said on Wednesday irregularities were found in the ventilation system of Washington’s subway after smoke filled a tunnel and two rail cars last week, killing one passenger and injuring scores.
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